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The boilers are produced for the type of gas specif-
ically requested upon ordering.
DANGER!
The conversion for the operation of
the boiler with a type of gas other
order, must be performed by Unical
The manufacturer cannot be held liable for any
damage resulting from a conversion operation
that is incorrect or not performed in compliance
with the laws in force and/or with the instructions
ATTENTION!
After performing the conversion for
the operation of the boiler with a type
ATTENTION!
pliances
To convert the boiler from one type of gas to
- Disconnect the appliance from the elctrical power
supply
- disconnect the detection/switch-on electrode,
loosen the 4 screws (2) that connects the burner
pack (3) to the nozzle collector
- remove the burner (3);
- disconnect the nozzles (4) from the manifold (5)
and replace them with those of diameter corre-
sponding to the new gas type (see table "NOZ-
ZLES - PRESSURES);
- re-assemble the burner and reconnect it to the
electrode;
- access the modulation board contained in the elec-
tric panel and position the jumper in the position
corresponding to the new type of gas indicated in
the gure;
- Close the electric panel and restore the appli-
ance's electric power supply
- check the pressure value upstream of the gas
valve (see table “NOZZLES - PRESSURE”) and
adjust the pressure as indicated in paragraph
“3.12”;
- check that the burner is working properly;
- check that there are no gas leaks.
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